<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>5.4</title>
	<script src="js/vue.js"></script>
	</head>
	<body>
		<div id="app">
			<div ref="self">test</div>
		</div>
		<script>
			var vm = new Vue({
				el:'#app',
				data:{
					msg:'ok'
				},
				beforeDestroy(){
					console.log('销毁之前')
					console.log(this.$refs.self)
					console.log(this.msg)
					console.log(vm)
				},
				destroyed(){
					console.log('销毁之后')
					console.log(this.$refs.self)
					console.log(this.msg)
					console.log(vm)
				}
			})
		</script>
	</body>
</html>